Table 1.
Production results
| Run | #1 | #2 | #3 |
|---|---|---|---|
| Beam condition (Ep = 15.6 MeV) | 20 µA × 3 h | 20 µA × 5 h | 20 µA × 5 h |
| Ra deposition | |||
| 226Ra, initial electrolyte |
14.5 MBq (391 µCi) |
36.4 MBq (984 µCi) |
38.8 MBq (1.05 mCi) |
| 226Ra, deposited |
13.5 MBq (366 µCi) |
35.4 MBq (956 µCi) |
37.5 MBq (1.01 mCi) |
| Deposition rate (%) | 94 | 97 | 97 |
| Nuclides of interest* in the initially purified sample (kBq, decay corrected to EOB) | |||
| 225Ac (150 keV, 0.6%) | 522 | 2.23 × 103 | 2.43 × 103 |
| 226Ac (230 keV, 26.9%) | 111 | 451 | 488 |
| 224Ac (215 keV, 52.3%) | Not detected | Not detected | Not detected |
| 226Ra (186 keV, 3.64%) | Not detected | Not detected | Not detected |
| 214Pb (352 keV, 35.6%) | Not detected | Not detected | Not detected |
| 214Bi (609 keV, 45.5%) | 5.2 | 13.5 | 33.3 |
| 135La (481 keV, 1.52%) | 84.5 | 333 | 344 |
| 140La (487 keV, 43.9%) | 0.0571 | 0.165 | 0.231 |
| 212Bi (727 keV, 6.58%) | Trace | Trace | Trace |
| 208Tl (2615 keV, 99.8%) | Trace | Trace | Trace |
*Nuclear data presented in parenthesis are used for quantification[15]